UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'b7v/JPkEsVt9LEWxxkYeKpDJuBpK4iEqcTqNNbRO164=' 
WHERE 
  key_id = '7c21a8bf575460e026a3e90e929fd100fb91270d52af44ef5268d1f262cb8283' 
  AND (
    token = 'b7v/JPkEsVt9LEWxxkYeKpDJuBpK4iEqcTqNNbRO164=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )